Odometer



. S. R. THOR?.`

Odometer.

Patented Oct. 31. 1854.

N. PETERS. Pho! UNITED STATES PATENT OFFICE.

SAML. R. THORP, OF BATAVIA, NEV YORK.

ODOMETER.

Specification of Letters Patent No. 11,877, dated October 31, 1854.

T 0 all whom t may concern.'

Be it known that I, SAMUEL R. THOR?, of Batavia, in the county ofGenesee and State of New York, have invented a new and ImprovedOdometer; and I do hereby declare that the following is a full and exactdescription thereof, reference being had to the accompanying drawingsand to the letters of reference marked thereon.

Figure A is a vertical section lengthwise of the case and contents. Fig.B is ahori- Zontal section of the same. F ig. C is the face with agraduated disk s traversed by the hand or index m, m. Fig. D, is end ofthe hub.

a b, a is a spring iexible between its two bearings b b and z', z". Itsend t a is grooved perpendicularly to be worked by the edge of aneccentric band cl d, d" d attached to the hub, e e, e e. Thus at eachrevolution of the hub, the spring c6 Z), a b

will vibrate horizontally, a, a taking the positions t and el". Thisvibration of a a will cause a vibration within the case at c, c which isa catch attached to the spring a Z9 with the band Z d, d d and theratchet n wheel No. l, l.

All else I disclaim.

SAMUEL R. THORP.

Attested by:

EMMA B. THORP, PoLLY THORP.

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